Which value of the constant d makes y=7 an extraneous solution in the following equation

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t